/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 */
package org.hisp.dhis.webapi.controller.event.webrequest;

import static org.apache.commons.lang3.BooleanUtils.toBooleanDefaultIfNull;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.hamcrest.Matchers.hasSize;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;
import lombok.SneakyThrows;
import org.hisp.dhis.common.SortDirection;
import org.junit.jupiter.api.Test;

class PagingAndSortingCriteriaAdapterTest {
  /** Should not fail when paging=true and pageSize is null */
  @Test
  void shouldNotThrowExceptionWhenPagingTrueAndPageSizeIsNull() {
    PagingAndSortingCriteriaAdapter pagingAndSortingCriteriaAdapter =
        new PagingAndSortingCriteriaAdapter() {
          @Override
          public Integer getPageSize() {
            // Redundant just to make test more readable
            return null;
          }
        };
    try {
      pagingAndSortingCriteriaAdapter.isPagingRequest();
    } catch (Exception e) {
      fail("Test was not meant to throw exception. Thrown exception is: " + e.getMessage());
    }
  }

  @Test
  void pagingIsEnabledByDefault() {
    PagingAndSortingCriteriaAdapter pagingAndSortingCriteriaAdapter =
        new PagingAndSortingCriteriaAdapter() {};
    assertFalse(toBooleanDefaultIfNull(pagingAndSortingCriteriaAdapter.isSkipPaging(), false));
    assertTrue(pagingAndSortingCriteriaAdapter.isPagingRequest());
  }

  @Test
  @SneakyThrows
  void verifyGetOrder() {
    PagingAndSortingCriteriaAdapter tested =
        new PagingAndSortingCriteriaAdapter() {

          @Override
          public List<String> getAllowedOrderingFields() {
            return List.of("field1", "field2");
          }
        };
    tested.setOrder(
        List.of(
            OrderCriteria.of("field1", SortDirection.ASC),
            OrderCriteria.of("field2", SortDirection.ASC),
            OrderCriteria.of("field3", SortDirection.ASC)));
    Collection<String> orderField =
        tested.getOrder().stream().map(OrderCriteria::getField).collect(Collectors.toList());
    assertThat(orderField, hasSize(2));
    assertThat(orderField, containsInAnyOrder("field1", "field2"));
  }
}
